River in Gaul, modern Loire; rises on the Cebenna mons . Strabo (4,1,1; 14; 4,2,1-3; 3,4; 4,3; 5,2) erroneously assumes its course as parallel to that of the Garumna, Ptolemy (2,2) describes it more correctly. Authors of antiquity assert that the river is open to shipping for about 2,000 stadia (about 370 km, more today) and that it served as a trade route between Britannia, Massilia and Italy. Further sources: Caes. B Gall. 3,9; 7,5; 55; 59; Plin. HN 4,107; Ptol. 2,8,1; 6; 11f; 14; Cass. Dio 39,40; 44,42 (Λίγρος; Lígros); Auson. Mos. 461.
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